Senior RF Systems Engineer
Los Angeles, CAFull-time$139k–$187kPosted Jan 22, 2026
Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage.
Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage.
We are looking for an RF systems engineer focused on identifying RF hardware requirements, creating system architectures, and building/testing/integrating the RF solutions – both on the aircraft and ground station. This position will require strong fundamentals, wide-breadth design experience, and efficient troubleshooting skills. You’ll be responsible for high-ownership technical delivery while working with a multi-disciplinary team of engineering, manufacturing, and quality professionals. We are looking for an RF systems engineer focused on identifying RF hardware requirements, creating system architectures, and building/testing/integrating the RF solutions – both on the aircraft and ground station. This position will require strong fundamentals, wide-breadth design experience, and efficient troubleshooting skills. You’ll be responsible for high-ownership technical delivery while working with a multi-disciplinary team of engineering, manufacturing, and quality professionals.
We are looking for an RF systems engineer focused on identifying RF hardware requirements, creating system architectures, and building/testing/integrating the RF solutions – both on the aircraft and ground station. This position will require strong fundamentals, wide-breadth design experience, and efficient troubleshooting skills. You’ll be responsible for high-ownership technical delivery while working with a multi-disciplinary team of engineering, manufacturing, and quality professionals. We are looking for an RF systems engineer focused on identifying RF hardware requirements, creating system architectures, and building/testing/integrating the RF solutions – both on the aircraft and ground station. This position will require strong fundamentals, wide-breadth design experience, and efficient troubleshooting skills. You’ll be responsible for high-ownership technical delivery while working with a multi-disciplinary team of engineering, manufacturing, and quality professionals.
Responsibilities:
- Simulate/model RF hardware for communication systems and sensors/instruments.
- Develop test concepts and test procedures for RF and Environmental testing, including far field and near field measurements (plus vibration, shock, thermal and thermal vacuum).
- Define hardware architecture and specifications for the RF system blocks, interfaces, and housing. Design, build and test microwave circuits and assemblies.
- End-to-end design validation and testing of RF product performance. Lead and conduct troubleshooting or root cause hardware performance challenges.
- Work with manufacturing and production teams on procuring and integrating quality RF module and antenna subsystems into our aircraft.
- Perform data analysis of RF systems, generate documentation/slides and present results to team.
Minimum Requirements:
- Bachelor's degree in Electrical Engineering or related discipline.
- 4+ years of professional experience designing and testing electrical, antenna and/or RF hardware and systems.
- Experience with RF/Antenna Systems in L/S/C/Ku and Ka-Band frequencies.
Preferred Skills and Experience:
- Demonstrated experience working collaboratively in cross-functional teams.
- Strong troubleshooting and problem diagnostic skills
- Understanding of electromagnetic propagation, impedance matching, Smith Chart, VSWR, P1dB, IIP3, NF, and etc.
- Understanding of digital modulation such as QAM, BPSK, QPSK, and SOQPSK or similar.
- Experience working with VNA, spectrum analyzers, RF power meters, and other relevant RF test equipment.
- Experience with test equipment automation and scripting
- Strong hands-on skills including prototyping/soldering and the use of a full range of instrumentation including multimeters, oscilloscopes, current meters, etc
- Support ongoing regulatory filling including FCC, FAA, and AFTRCC.
- Previous Experience on Integration and Test of an RF Systems (of any kind) with Radio as an integral part of RF Systems.
- Master's degree with emphasis in Antenna, Electromagnetic theory and/or microwave circuits.
- Experience using in HFSS (or similar antenna simulation tools).
- Familiarity with Antenna design, including types and tradeoffs.
- EMI/EMC testing per MIL-STD-461.
- Prior experience working on an airborne vehicle.
- Experience in a startup or agile development environment.
- Experience with Python or other scripting languages to aid automation, data analysis, etc
Additional Requirements:
- Ability to travel on short notice to support test campaigns